| Henry I of Werle | |
| Noble Family: | House of Mecklenburg |
| Father: | Nicholas I of Werle |
| Mother: | Jutta of Anhalt |
| Spouse: | Rikissa Birgersdotter Matilde of Brunswick-Lüneburg |
Henry I (died 8 October 1291) was a Prince of Mecklenburg-Werle and Mecklenburg-Güstrow.
He was the son of Prince Nicholas I of Mecklenburg-Werle and his wife Princess Jutta of Anhalt the daughter of Prince Henry I of Anhalt and his wife Princess Irmgard of Thuringia.[1] Henry and his brother John ruled Mecklenburg-Werle jointly following the death of their father on 10 May 1277.[2]
Henry and his brother ruled jointly until 1283 when Henry founded the principality of Mecklenburg-Güstrow while John took up residence in the principality of Mecklenburg-Parchim which he ruled jointly with Prince Pribislaw II.[2] Henry's reign in Güstrow came to an end on 8 October 1291 after he was murdered near Saal by his two sons Henry and Nicholas both of whom succeeded him.[1]
Henry was married twice; firstly in 1262 to Rikissa Birgersdotter (died 1288), with the following children:
He was married secondly in 1291 to Matilde of Brunswick-Lüneburg (died 1302) the daughter of John of Brunswick, Duke of Lüneburg.[1]